up implemented because at the end of the day it's my responsibility to make sure the policing in a lawful and constitutional and it's also reduce violent crime. bratton and his business partner bob wasserman created the comp stat system that is used by many major police departments in the country, including oakland. >> we want to look at what we are doing here in oakland. we have the comp stat model here in oakland and we want to look at how we can strengthen it and improve it based on his experience and how he's used it in l.a. and in new york. >> bratton and his company will start early next year. i'm jeff bush, kron four news. >> grant: businesses in oakland are calling for more patrol officers on the streets. new at eight. kron four's philippe djegal spoke to frustrated store owners who returned to work after theto an unpleasant surprise. >> reporter: the morning after christmas. rosa cabrera returned to the ahir salon she's owned on fruitvale avenue for five years. only to find a broken window near the entrance to rosa's hair salon. cabrera says she then checked in with a few neighbo